{
  "schema_version": "1.4.0",
  "id": "GHSA-rwxr-f4qj-9x36",
  "modified": "2022-03-19T00:01:45Z",
  "published": "2022-02-19T00:01:29Z",
  "aliases": [
    "CVE-2021-4090"
  ],
  "details": "An out-of-bounds (OOB) memory write flaw was found in the NFSD in the Linux kernel. Missing sanity may lead to a write beyond bmval[bmlen-1] in nfsd4_decode_bitmap4 in fs/nfsd/nfs4xdr.c. In this flaw, a local attacker with user privilege may gain access to out-of-bounds memory, leading to a system integrity and confidentiality threat.",
  "severity": [
    {
      "type": "CVSS_V3",
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:N"
    }
  ],
  "affected": [],
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-4090"
    },
    {
      "type": "WEB",
      "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2025101"
    },
    {
      "type": "WEB",
      "url": "https://lore.kernel.org/linux-nfs/163692036074.16710.5678362976688977923.stgit@klimt.1015granger.net"
    },
    {
      "type": "WEB",
      "url": "https://security.netapp.com/advisory/ntap-20220318-0010"
    }
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-787"
    ],
    "severity": "HIGH",
    "github_reviewed": false,
    "github_reviewed_at": null,
    "nvd_published_at": "2022-02-18T18:15:00Z"
  }
}